What would be a common topping on an Extravaganza pizza?

In the context of an Extravaganza pizza, a common topping that is typically included is olives. The Extravaganza pizza is known for its variety of toppings, which often include a mix of meats and vegetables, and olives are a popular choice that adds a salty flavor and a distinct texture.

Olives contribute to the overall flavor profile of this pizza, complementing other ingredients such as pepperoni, sausage, and peppers. Given that the Extravaganza pizza aims to provide a rich, diverse taste experience, olives help achieve that by enhancing the mix of savory elements.

While the other options may have their own bases in different types of pizzas or culinary traditions, they are not typical ingredients for an Extravaganza pizza, which is specifically known for its combination of bold toppings, making olives the most fitting choice.